Smart Pension

Smart Pension Envelopes API

The Envelopes API from Smart Pension — 1 operation(s) for envelopes.

Documentation GitHub OpenAPI

Operations 1

GET /companies/{company_id}/envelope Companies/Envelopes/Get

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/smart-pension-envelopes-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Keystone Envelopes API
  version: v12
  description: This is the endpoint description of Keystone API.
servers:
- url: https://api.sandbox.autoenrolment.co.uk
- url: /
tags:
- name: Envelopes
paths:
  /companies/{company_id}/envelope:
    get:
      summary: Companies/Envelopes/Get
      tags:
      - Envelopes
      security:
      - oAuth2:
        - customer
      parameters:
      - name: company_id
        in: path
        required: true
        example: 1038
        schema:
          type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              example:
                id: 34
                company_id: 1038
                document_url: https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf
                title: tortor eu 34
                signature_service: signable
                created_at: '2026-08-05T13:02:54.000+01:00'
                updated_at: '2026-08-05T13:02:54.000+01:00'
                signed_at: null
                links:
                - rel: company
                  title: company
                  href: https://api.host.com/companies/1038
              schema:
                $ref: '#/components/schemas/response_envelope'
        '401':
          description: Unauthorized
components:
  schemas:
    response_envelope:
      type: object
      properties:
        id:
          type: integer
        company_id:
          type:
          - integer
          - 'null'
        document_url:
          type:
          - string
          - 'null'
        title:
          type:
          - string
          - 'null'
        signature_service:
          type: string
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time
        signed_at:
          type:
          - string
          - 'null'
          format: date-time
        links:
          type: array
          items:
            $ref: '#/components/schemas/link'
    link:
      type: object
      properties:
        rel:
          type: string
        title:
          type: string
        href:
          type: string
  securitySchemes:
    oAuth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://id.sandbox.autoenrolment.co.uk/oauth/authorize
          tokenUrl: https://id.sandbox.autoenrolment.co.uk/oauth/token
          scopes:
            customer: 'Manage the customer''s company.

              - Create postponements

              - Create and import contributions

              - Edit company details

              - Add and edit employees'
            user: 'Manage all companies linked to the user''s adviser.

              - Manage adviser details

              - Add and edit adviser''s users

              - Create and import contributions for any company managed by the adviser'
            employee: 'Manage the employee account.

              - List employee contributions

              - Edit employee details and preferences'
x-samples-languages:
- curl
x-proxy-enabled: false